40 String Led Lights. 4m Length between first and last LED. Easy 'Click to Close' battery box. Ideal for putting around trees, plants etc in your home. 10cm between LED lights and 30cm between first LED light and battery box. Battery box measures 8cm x 5cm. On / Off Switch. Requires 3 AA Batteries (not included). Also available with clear cable and battery box, ideal for home or business.